static void RetrieveTracking(string tracking) { using WebClient wc = new WebClient(); string url = "https://api.correoargentino.com.ar/backendappcorreo/api/api/shipping-tracking-int-nac?id_shipping=" + tracking; Console.WriteLine("Obteniendo informacion del tracking..."); string json = wc.DownloadString(url); TrackingIntNac intNac = TrackingIntNac.FromJson(json); if (intNac.Rta == "OK") { PrintTracking(intNac); } else { WriteLineColor(ConsoleColor.Red, "Error: " + json); } }